/*
 * Copyright 2007-2008, www.jsemantic.org, www.adolfoestevez.com,
 * http://semanticj2ee.blogspot.com/ 
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.jsemantic.core.context.factory;

import java.util.Map;

import org.jsemantic.core.RuleSessionFactory;
import org.jsemantic.core.context.SemanticContext;
import org.jsemantic.core.context.external.ExternalContext;
import org.jsemantic.core.knowledgedb.KnowledgeDB;

/**
 * A factory for creating SemanticContext objects.
 */
public interface SemanticContextFactory {

	/**
	 * Gets the context.
	 * 
	 * @param rulesSessionFactory the rules session factory
	 * @param db the db
	 * @param externalCtx the external ctx
	 * @param sessionVariables the session variables
	 * @param isStateful the is stateful
	 * 
	 * @return the context
	 * 
	 * @throws SemanticContextCreationException the semantic context creation exception
	 */
	public SemanticContext getContext(RuleSessionFactory rulesSessionFactory,
			KnowledgeDB db, ExternalContext externalCtx, Map sessionVariables,
			boolean isStateful) throws SemanticContextCreationException;

}
